Online PHP editor | output for JXoEA

<?php function evalJS($code) { $matches = []; preg_match_all('#var (.*)( |=|;)#', $code, $matches); foreach($matches[1] as $val) { $code = preg_replace('#'.$val.'#', '\$'.$val, $code); $code = preg_replace('#var \$'.$val.'#', '\$'.$val, $code); $code = preg_replace('#\$'.$val.'\.#', '\$'.$val.'->', $code); } $code = preg_replace('#.#', '::', $code); $code = preg_replace('#(\'|")\+#', '$1.', $code); $code = preg_replace('#\+(\'|")#', '.$1', $code); echo($code); } class document { public function print($arg) { echo($arg); } } $js = <<<JS var foo = 'Hello '+'World!'; document.print(foo); JS; evalJS($js);